prevent the first coord in the overview ruler from being right up against the left edge
prevent the first coord in the overview ruler from being right up against the left edge

GMOD/jbrowse,limeng12/jbrowse,GreggHelt2/apollo-test,SuLab/jbrowse,SuLab/jbrowse,SuLab/jbrowse,nathandunn/jbrowse,erasche/jbrowse,SuLab/jbrowse,erasche/jbrowse,limeng12/jbrowse,Arabidopsis-Information-Portal/jbrowse,limeng12/jbrowse,igemsoftware/Shenzhen_BGIC_0101_2013,igemsoftware/Shenzhen_BGIC_0101_2013,limeng12/jbrowse,GMOD/jbrowse,GreggHelt2/apollo-test,Arabidopsis-Information-Portal/jbrowse,limeng12/jbrowse,igemsoftware/Shenzhen_BGIC_0101_2013,igemsoftware/Shenzhen_BGIC_0101_2013,erasche/jbrowse,Arabidopsis-Information-Portal/jbrowse,Arabidopsis-Information-Portal/jbrowse,nathandunn/jbrowse,nathandunn/jbrowse,limeng12/jbrowse,Arabidopsis-Information-Portal/jbrowse,GreggHelt2/apollo-test,erasche/jbrowse,Arabidopsis-Information-Portal/jbrowse,GreggHelt2/apollo-test,erasche/jbrowse,erasche/jbrowse,erasche/jbrowse,GMOD/jbrowse,limeng12/jbrowse,nathandunn/jbrowse,GMOD/jbrowse,igemsoftware/Shenzhen_BGIC_0101_2013,igemsoftware/Shenzhen_BGIC_0101_2013,GreggHelt2/apollo-test,SuLab/jbrowse,GreggHelt2/apollo-test,igemsoftware/Shenzhen_BGIC_0101_2013,GreggHelt2/apollo-test,SuLab/jbrowse,limeng12/jbrowse,GMOD/jbrowse,nathandunn/jbrowse,SuLab/jbrowse,erasche/jbrowse,Arabidopsis-Information-Portal/jbrowse,igemsoftware/Shenzhen_BGIC_0101_2013